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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.